Magnetism Question 82
Question: Keeping dissimilar poles of two magnets of equal pole strength and length same side, their time period will be
[DPMT 2001]
Options:
A) Zero
B) One second
C) Infinity
D) Any value
Show Answer
Answer:
Correct Answer: C
Solution:
$ T=2\pi \sqrt{\frac{I _{1}+I _{2}}{(M _{1}-M _{2})B _{H}}} $ Here $ M _{1}=M _{2}=M,\ \ \
Therefore T=\infty $